Please run the sample project and follow the steps:

Use this XML layout: 

this.radGridView1.LoadLayout(@"..\..\..\Layout.xml");

<RadGridView Padding="0, 0, 0, 1" Cursor="Default" TabIndex="49">
<MasterTemplate EnableGrouping = "True" AllowEditRow="False" AllowDeleteRow="False" AllowAddNewRow="False" EnableFiltering="True" AutoExpandGroups="True">
<Columns>
<Telerik.WinControls.UI.GridViewTextBoxColumn Width="100" FieldName="JobID" Name="JobID" IsAutoGenerated="True" IsVisible="True" HeaderText="JobID" />
<Telerik.WinControls.UI.GridViewTextBoxColumn Width="100" FieldName="CustomerID" Name="CustomerID" IsAutoGenerated="True" IsVisible="True" HeaderText="CustomerID" />
<Telerik.WinControls.UI.GridViewTextBoxColumn Width="285" FieldName="StatusID" Name="StatusID" IsAutoGenerated="True" IsVisible="True" HeaderText="StatusID" />
<Telerik.WinControls.UI.GridViewTextBoxColumn Width="100" FieldName="UnitID" Name="UnitID" IsAutoGenerated="True" IsVisible="True" HeaderText="UnitID" />
<Telerik.WinControls.UI.GridViewTextBoxColumn Width="100" FieldName="OperatorID" Name="OperatorID" IsAutoGenerated="True" IsVisible="True" HeaderText="OperatorID" />
<Telerik.WinControls.UI.GridViewTextBoxColumn Width="100" FieldName="JobTypeID" Name="JobTypeID" IsAutoGenerated="True" IsVisible="True" HeaderText="JobTypeID" />
<Telerik.WinControls.UI.GridViewTextBoxColumn Width="100" FieldName="JobCatID" Name="JobCatID" IsAutoGenerated="True" IsVisible="True" HeaderText="JobCatID" />
<Telerik.WinControls.UI.GridViewDateTimeColumn Width="100" FieldName="StartTime" Name="StartTime" IsAutoGenerated="True" IsVisible="True" HeaderText="StartTime">
<FilterDescriptor xsi:type="Telerik.WinControls.Data.DateFilterDescriptor" Value="" IgnoreTimePart="False" PropertyName="StartTime" Operator="IsNotNull" IsFilterEditor="True" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
</Telerik.WinControls.UI.GridViewDateTimeColumn>
<Telerik.WinControls.UI.GridViewDateTimeColumn Width="100" FieldName="FinishTime" Name="FinishTime" IsAutoGenerated="True" IsVisible="True" HeaderText="FinishTime" />
<Telerik.WinControls.UI.GridViewDateTimeColumn Width="100" FieldName="CreateDate" Name="CreateDate" SortOrder="Descending" IsAutoGenerated="True" IsVisible="True" HeaderText="CreateDate" />
<Telerik.WinControls.UI.GridViewDateTimeColumn Width="100" FieldName="StatusJobDate" Name="StatusJobDate" IsAutoGenerated="True" IsVisible="True" HeaderText="StatusJobDate" />
<Telerik.WinControls.UI.GridViewTextBoxColumn Width="100" FieldName="UserID" Name="UserID" IsAutoGenerated="True" IsVisible="True" HeaderText="UserID" />
<Telerik.WinControls.UI.GridViewTextBoxColumn DataType="System.Guid" Width="100" FieldName="TableKey" Name="TableKey" IsAutoGenerated="True" IsVisible="False" HeaderText="TableKey" />
</Columns>
<FilterDescriptors>
<Telerik.WinControls.Data.DateFilterDescriptor Value="" IgnoreTimePart="False" PropertyName="StartTime" Operator="IsNotNull" IsFilterEditor="True" />
</FilterDescriptors>
<SortDescriptors>
<Telerik.WinControls.Data.SortDescriptor PropertyName="CreateDate" Direction="Descending" />
</SortDescriptors>
<ViewDefinition xsi:type="Telerik.WinControls.UI.TableViewDefinition" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" />
</MasterTemplate>
</RadGridView>

Workaround: 

public class CustomGridView : RadGridView
{
    protected override GridViewLayoutSerializer CreateGridViewLayoutSerializer(Telerik.WinControls.XmlSerialization.ComponentXmlSerializationInfo info)
    {
        return new CustomGridViewLayoutSerializer(info);
    }
    public override string ThemeClassName
    {
        get
        {
            return typeof(RadGridView).FullName;
        }
    }
}

public class CustomGridViewLayoutSerializer : GridViewLayoutSerializer
{ 
    public CustomGridViewLayoutSerializer(ComponentXmlSerializationInfo componentSerializationInfo) : base(componentSerializationInfo)
    {
    }

    protected override bool ProcessReaderAttribute(System.Xml.XmlReader reader, object parentObject, object toRead, PropertyDescriptor property)
    {
        if (toRead is FilterDescriptor && reader.Value == string.Empty)
        {
            object val = reader.Value;
            if (property.ComponentType == typeof(DateFilterDescriptor))
            {
                val = null;
            }
            
            this.SetPropertyValue(property, toRead, val);
            return true;
        }

        return base.ProcessReaderAttribute(reader, parentObject, toRead, property);
    }
}

Please refer to the sample project and open the Home form. The attached gif file illustrates how to reproduce the error.

Workaround: define the grid relations via code.

To reproduce:

        public RadForm1()
        {
            InitializeComponent();

            string txt = "what follows is test characters (some of) which should cause error:  เปลี่ยน UPS ที่ห้อง Truck scale เนื่องจากเมื่อวันพฤหัสที่ 13 มีการออฟเบรกเกอร์ที่ ฺฺB/H แต่ว่า เครื่องคอมพิวเตอร์ที่ T/S ดับ ตัว UPS ไม่ทำงาน ทำให้ข้อมูลขณะนั้นหายไป   ";
            this.label1.Text = txt; // No error

            Font font = this.label1.Font;// new Font("Segoe UI", 9.5f, FontStyle.Regular);
            this.radLabel1.Font = font;
            this.radLabel1.Text = txt; //GDI error
        }

Workaround: 

this.radLabel1.UseCompatibleTextRendering = false;

To reproduce :
public partial class RadForm1 : Telerik.WinControls.UI.RadForm
{
    public RadForm1()
    {
        InitializeComponent();
        radGridView1.DataSource = GetTable();
    }

    private void radButton1_Click(object sender, EventArgs e)
    {
        var exporter = new GridViewPdfExport(radGridView1);
        exporter.FileExtension = "pdf";
        exporter.ShowHeaderAndFooter = true;
        exporter.LeftFooter = GridViewPdfExport.DatePrintedString;
        exporter.FitToPageWidth = true;
        exporter.PageMargins = new Padding(20, 15, 10, 10);
        exporter.RunExport(@"C:\Users\dkaramfi\Desktop\test123.pdf", new PdfExportRenderer());

    }

    static DataTable GetTable()
    {

        DataTable table = new DataTable();
        table.Columns.Add("Dosage", typeof(int));
        table.Columns.Add("Drug", typeof(string));
        table.Columns.Add("Name", typeof(string));
        table.Columns.Add("Name1", typeof(string));
        table.Columns.Add("Name2", typeof(string));
        table.Columns.Add("Name3", typeof(string));
        table.Columns.Add("Name4", typeof(string));


        table.Rows.Add(50, "Enebrel", "Sam", "Sam1", "Sam2", "Sam4", "Sam4");
        table.Rows.Add(25, "Indocin", "David");
        table.Rows.Add(50, "Enebrel", "Sam");
        table.Rows.Add(10, "Hydralazine", "Christoff");
        table.Rows.Add(21, "Combivent", "Janet");
        table.Rows.Add(100, "Dilantin", "Melanie");
        return table;
    }
}

Workaround:
Leave the default margins.

Use the following code snippet:

public RadForm1()
{
    InitializeComponent();

    GridViewDecimalColumn idColumn = new GridViewDecimalColumn("Id");
    this.radGridView1.Columns.Add(idColumn);
    GridViewTextBoxColumn nameColumn = new GridViewTextBoxColumn("Name");
    this.radGridView1.Columns.Add(nameColumn);
    GridViewDateTimeColumn dateColumn = new GridViewDateTimeColumn("Date");
    dateColumn.FilteringMode = GridViewTimeFilteringMode.Date;
    dateColumn.Format = DateTimePickerFormat.Custom;
    dateColumn.CustomFormat = "dd/MM/yyyy";
    dateColumn.FormatString = "{0:dd/MM/yyyy}";
    this.radGridView1.Columns.Add(dateColumn);
    this.radGridView1.AutoSizeColumnsMode = GridViewAutoSizeColumnsMode.Fill;

    for (int i = 0; i < 50; i++)
    {
        this.radGridView1.Rows.Add(i,"Row"+i,DateTime.Now.AddDays(i));
    }

    this.radGridView1.EnableFiltering = true;
    this.radGridView1.ShowHeaderCellButtons = true;
    this.radGridView1.ShowFilteringRow = false;

    this.radGridView1.FilterExpressionChanged += RadGridView1_FilterExpressionChanged;
}

private void RadGridView1_FilterExpressionChanged(object sender, FilterExpressionChangedEventArgs e)
{
    Console.WriteLine(e.FilterExpression);
}

 If I use the calendar control then the sequence works:

Click the filter button
Click Available filters
Click Equals
Click the calendar button in the value field
Click on December 10, 2021

But if I do not use the calendar control then it does not work. This sequence produces no results:

Click the filter button
Click Available filters
Click Equals
Click on the day component of the value field
Type in 10
Click OK

Workaround:

        private void RadGridView1_CreateCompositeFilterDialog(object sender, GridViewCreateCompositeFilterDialogEventArgs e)
        {
            e.Dialog = new CustomCompositeDataFilterForm();
        }

        public class CustomCompositeDataFilterForm : CompositeDataFilterForm
        {
            protected override void OnClosing(CancelEventArgs e)
            {
                base.OnClosing(e);
                if (GridFilterCellElement.ValidateUserFilter(this.FilterDescriptor))
                {
                    CompositeFilterDescriptor cfd = this.FilterDescriptor as CompositeFilterDescriptor;
                    if (cfd != null)
                    {
                        foreach (FilterDescriptor fd in cfd.FilterDescriptors)
                        {
                            TrimTimePart(fd);
                        }
                    }
                    else
                    {
                        TrimTimePart(this.FilterDescriptor);
                    }
                   
                }
            }

            private void TrimTimePart(FilterDescriptor filterDescriptor)
            {
                CompositeFilterDescriptor cfd = filterDescriptor as CompositeFilterDescriptor;
                if (cfd != null)
                {
                    foreach (FilterDescriptor fd in cfd.FilterDescriptors)
                    {
                        TrimTimePart(fd);
                    }
                }
                else
                {
                    DateTime dateValue = DateTime.MinValue;
                    if (DateTime.TryParse(filterDescriptor.Value + "", out dateValue))
                    {
                        dateValue = dateValue.Date;
                       filterDescriptor.Value = dateValue;
                    }
                }
            }
        }

Hi,

I have a question regarding RadGridView. When I edit a cell in GridView and then click on a button (outside of gridview) immediately (i.e I don't click on another cell to exit edit mode), the Gridview is still edit mode. Please refer to the short video named "Without Using EndEdit()" to easily understand my point here.

In order to exit the edit mode, I try the following code:

    Private Sub CustomGridView_LostFocus(sender As Object, e As EventArgs) Handles Me.LostFocus
        Me.EndEdit()
    End Sub

With this code, the gridview does exit the edit mode when I click on another button. But there is a problem with this method is that afterwards, I cannot edit the cell anymore.  Please refer to the short video named "Using EndEdit()" to better understand the problem.

So my question here is, is there any way that I can exit edit mode when clicking on another button right after editing a cell?

Thank you for your help.

Best regards,

Tran

To reproduce, rebind the grid to a data table on button click and show grid's search row.

public RadForm1()
{
    InitializeComponent();
    this.radGridView1.AllowSearchRow = true;
}

private void RadButton1_Click()
{
    DataTable dt = this.GetData();
    this.radGridView1.DataSource = dt;
}
private DataTable GetData()
{
    DataTable data = new DataTable();
    for (int i = 0; i < 5; i++)
    {
        data.Columns.Add("Column " + i, typeof(int));
        data.Columns.Add("Column " + i + 1, typeof(string));
        data.Columns.Add("Column " + i + 2, typeof(string));
    }

    for (int k = 0; k < 5000; k++)
    {
        object[] parameters = new object[15];
        for (int i = 0; i < 15; i += 3)
        {
            parameters[i] = k;
            parameters[i + 1] = "Text " + i;
            parameters[i + 2] = "Text " + i + 1;
        }

        data.Rows.Add(parameters);
    }

    return data;
}

There are situations where SelectedRows won't return the number of rows preselected when using Begin/EndUpdate even though it seems like there's a row selected in the UI. By preselected I mean the row that looks selected after the rows has been added. This bug has caused some problems for us because the user tried some action on a row they thought was preselected and it would fail.

One situation I found where this bug can be reproducted is by using SortOrder in combination of Begin/EndUpdate. There are probably more situations but I hope this one will let you find the underlying bug.

The attached project contains a simple form with a RadGridView which will contain a list of persons. The list is populated by this method:

public void PopulateGridView(List<Person> persons)
{
	PersonGridView.BeginUpdate();
	PersonGridView.DataSource = persons;
	PersonGridView.EndUpdate();
	PersonGridView.Columns[nameof(Person.LastName)].SortOrder = RadSortOrder.Ascending;
}

There are two buttons: "Step one" and "Step two". The first will mimick a situation where the user search a database for persons and none will be found. By clicking the "Get selected rows" you will see that the SelectedRows will return zero rows which is correct.
But when you afterwards click "Step two" (which will add five rows) it seems like there's one row preselected. I would expect the SelectedRows to return that row but by clicking "Get selected rows" again you will see that the returned rows are zero still. The CurrentRow, however is set to the preselected row as expected.
If you start by clicking "Step two" the SelectedRows actually returns the correct rows. Quite strange :-)

I know this is a very small issue and can be avoided. But as I mentioned there are other situations where this problem occurs and it's quite hard to figure out exactly what causes it.

Thank you for your help.

Best regards
Ulrik Skovenborg

Please use the attached sample project.

Hi There,

This call is only a nice to have, it is not critical at all. It is just a slight annoyance when building the Grid's columns - especially when there are many columns to adjust. My workflow is usually as follow. 

Add all the columns needed, then after that I will run through all the columns and want to set the widths. But my speed is broken because I can't tab between the 3 width properties: Width, Min Width, Max Width. I have to click to put focus the the next value.

If possible, please can you correct the tab indexes?

Thank you

Kind Regards

Ben

PS. You may close this ticket immediately - this is only a request.

Please run the attached sample project. The row's height in the print document is not adjusted according to the column's width in the print page. 

Workaround: 

To reproduce: please open the attached sample project and follow the steps illustrated in the attached gif file.

Workaround: 
1. You still can scroll while dragging a row by using the mouse wheel.

2. Use the grid in unbound mode and set the AllowRowReorder property to true instead of using a custom RadDragDropService.

3. Use a custom drag and drop service:

public class CustomDragDropService : RadGridViewDragDropService
{
    public CustomDragDropService(RadGridViewElement gridViewElement) : base(gridViewElement)
    {
    }

    public override string Name
    {
        get
        {
            return typeof(RadGridViewDragDropService).Name;
        }
    }

    protected override void HandleMouseMove(System.Drawing.Point mousePosition)
    {
        base.HandleMouseMove(mousePosition);
        System.Drawing.Point location = this.GridViewElement.ElementTree.Control.PointToClient(Control.MousePosition);
        GridTableElement tableElement = this.GetTableElementAtPoint(location);

        ISupportDrag supportDrag = this.Context as ISupportDrag;
        object dataContext = supportDrag.GetDataContext();

        if (this.AllowAutoScrollRowsWhileDragging && dataContext == null)
        {
            ScrollRows(tableElement, location);
        }
    }

    private void ScrollRows(GridTableElement tableElement, System.Drawing.Point location)
    {
        ScrollableRowsContainerElement scrollableRows = tableElement.ViewElement.ScrollableRows;
        RadScrollBarElement vScrollbar = GetVeritcalScrollbar(tableElement);
        System.Drawing.Rectangle containerBounds = scrollableRows.ControlBoundingRectangle;

        if (containerBounds.Contains(location) ||
            location.X < containerBounds.X ||
            location.X > containerBounds.Right)
        {
            return;
        }

        int delta = 0;

        if (location.Y > containerBounds.Bottom)
        {
            delta = location.Y - containerBounds.Bottom;
        }
        else if (location.Y < containerBounds.Y)
        {
            delta = location.Y - containerBounds.Y;
        }

        if (delta != 0 && vScrollbar.Visibility == ElementVisibility.Visible)
        {
            vScrollbar.Value = ClampValue(vScrollbar.Value + delta,
                vScrollbar.Minimum,
                vScrollbar.Maximum - vScrollbar.LargeChange + 1);
        }
    }

    private int ClampValue(int value, int minimum, int maximum)
    {
        if (value < minimum)
        {
            return minimum;
        }
        if (maximum > 0 && value > maximum)
        {
            return maximum;
        }
        return value;
    }

    private RadScrollBarElement GetVeritcalScrollbar(GridTableElement tableElement)
    {
        if (GridViewElement.UseScrollbarsInHierarchy)
        {
            return tableElement.VScrollBar;
        }
        return GridViewElement.TableElement.VScrollBar;
    }
}

public RadForm1()
{
    InitializeComponent();
    CustomDragDropService customService = new CustomDragDropService(radGridView1.GridViewElement);
    radGridView1.GridViewElement.RegisterService(customService);
}

1. Filter the column "code" to show only "(Blanks)"
2. Hit the "Save Layout" button to save the layout into a string
3. Hit the "Load Layout" button. The row is gone
   

Use the following code snippet:

https://docs.telerik.com/devtools/winforms/styling-and-appearance/using-a-default-theme-for-the-entire-application#enabledisable-the-globally-set-theme-for-a-specific-control 

            ThemeResolutionService.ApplicationThemeName = "MaterialPink";
            radGridView1.ElementTree.EnableApplicationThemeName = false;
            radGridView1.ThemeName = "FluentDark";

Workaround:

        private void radGridView1_CellEditorInitialized(object sender, GridViewCellEventArgs e)
        {
            RadDropDownListEditor ddlEditor = e.ActiveEditor as  RadDropDownListEditor;
            if (ddlEditor != null)
            {
                RadDropDownListEditorElement el = ddlEditor.EditorElement as RadDropDownListEditorElement;
                el.Popup.ElementTree.EnableApplicationThemeName = false;
                el.Popup.ThemeName = this.radGridView1.ThemeName;
            }
        }